Nrog rau kev hloov kho ntawm lub sijhawm, cov khoom siv kho vajtse stamping tuaj yeem pom nyob txhua qhov chaw hauv peb lub neej niaj hnub, thiab thaum peb tuaj yeem pom cov khoom no, lawv tau raug kho saum npoo, thiab txheej txheej txheej yog tsim rau ntawm qhov chaw ntawm lub workpiece los ntawm qee yam. txoj kev, muab kho vajtse stamping Anti-r ...
Nyeem ntxiv